Home / 108,645,630.60-162,968,445.90-83,136,462.60

Finding the Fourth Proportional to 108,645,630.60, 162,968,445.90 and 83,136,462.60

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Solution

The fourth proportional to 108,645,630.60, 162,968,445.90 and 83,136,462.60 is: 124,704,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,645,630.60 : 162,968,445.90 = 83,136,462.60 : x
  2. Step 2: Convert to fraction form
    108,645,630.60/162,968,445.90 = 83,136,462.60/x
  3. Step 3: Cross multiply
    108,645,630.60x = 162,968,445.90 × 83,136,462.60
  4. Step 4: Simplify right side
    108,645,630.60x = 13,548,620,107,545,472
  5. Step 5: Solve for x
    x = 13,548,620,107,545,472/108,645,630.60
  6. Step 6: Final answer
    x = 124,704,693.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.